/*-----------------------------------------------------------------------/
/  Low level disk interface modlue include file   (C)ChaN, 2014          /
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#define _USE_WRITE  1  /* 1: Enable disk_write function */
#define _USE_IOCTL  1  /* 1: Enable disk_ioctl fucntion */

#include "integer.h"


/* Status of Disk Functions */
typedef BYTE  DSTATUS;

/* Results of Disk Functions */
typedef enum {
  RES_OK = 0,    /* 0: Successful */
  RES_ERROR,    /* 1: R/W Error */
  RES_WRPRT,    /* 2: Write Protected */
  RES_NOTRDY,    /* 3: Not Ready */
  RES_PARERR    /* 4: Invalid Parameter */
} DRESULT;


/*---------------------------------------*/
/* Prototypes for disk control functions */


DSTATUS disk_initialize (BYTE pdrv);
DSTATUS disk_status (BYTE pdrv);
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);


/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT    0x01  /* Drive not initialized */
#define STA_NODISK    0x02  /* No medium in the drive */
#define STA_PROTECT    0x04  /* Write protected */


/* Command code for disk_ioctrl fucntion */

/* Generic command (Used by FatFs) */
#define CTRL_SYNC      0  /* Complete pending write process (needed at _FS_READONLY == 0) */
#define GET_SECTOR_COUNT  1  /* Get media size (needed at _USE_MKFS == 1) */
#define GET_SECTOR_SIZE    2  /* Get sector size (needed at _MAX_SS != _MIN_SS) */
#define GET_BLOCK_SIZE    3  /* Get erase block size (needed at _USE_MKFS == 1) */
#define CTRL_TRIM      4  /* Inform device that the data on the block of sectors is no longer used (needed at _USE_TRIM == 1) */

/* Generic command (Not used by FatFs) */
#define CTRL_POWER      5  /* Get/Set power status */
#define CTRL_LOCK      6  /* Lock/Unlock media removal */
#define CTRL_EJECT      7  /* Eject media */
#define CTRL_FORMAT      8  /* Create physical format on the media */

/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE    10  /* Get card type */
#define MMC_GET_CSD      11  /* Get CSD */
#define MMC_GET_CID      12  /* Get CID */
#define MMC_GET_OCR      13  /* Get OCR */
#define MMC_GET_SDSTAT    14  /* Get SD status */

/* ATA/CF specific ioctl command */
#define ATA_GET_REV      20  /* Get F/W revision */
#define ATA_GET_MODEL    21  /* Get model name */
#define ATA_GET_SN      22  /* Get serial number */

#ifdef __cplusplus
}
#endif

#endif
